diff --git a/app/models/child.rb b/app/models/child.rb
index 2bc2b378d7..1ac8b132dd 100644
--- a/app/models/child.rb
+++ b/app/models/child.rb
@@ -246,29 +246,6 @@ def save_incidents
     end
   end
 
-  def update_family(case_data)
-    family.family_number = case_data['family_number'] if case_data.key?('family_number')
-
-    update_family_members(case_data.delete('family_details_section') || [])
-  end
-
-  def update_family_members(family_details_section_data)
-    return unless family_details_section_data.present?
-
-    @family_members = FamilyLinkageService.build_or_update_family_members(
-      family_details_section_data,
-      family.family_members || []
-    )
-    self.family_details_section = FamilyLinkageService.family_details_section_local_data(family_details_section_data)
-  end
-
-  def save_family
-    return unless family.present?
-
-    family.family_members = @family_members if @family_members.present?
-    family.save! if family.has_changes_to_save?
-  end
-
   def to_s
     name.present? ? "#{name} (#{unique_identifier})" : unique_identifier
   end
diff --git a/app/models/concerns/family_linkable.rb b/app/models/concerns/family_linkable.rb
index ed0e4e1374..4e6aa29ae1 100644
--- a/app/models/concerns/family_linkable.rb
+++ b/app/models/concerns/family_linkable.rb
@@ -12,6 +12,29 @@ module FamilyLinkable
     after_save :save_family
   end
 
+  def update_family(record_data)
+    family.family_number = record_data['family_number'] if record_data.key?('family_number')
+
+    update_family_members(record_data.delete('family_details_section') || [])
+  end
+
+  def update_family_members(family_details_section_data)
+    return unless family_details_section_data.present?
+
+    @family_members = FamilyLinkageService.build_or_update_family_members(
+      family_details_section_data,
+      family.family_members || []
+    )
+    self.family_details_section = FamilyLinkageService.family_details_section_local_data(family_details_section_data)
+  end
+
+  def save_family
+    return unless family.present?
+
+    family.family_members = @family_members if @family_members.present?
+    family.save! if family.has_changes_to_save?
+  end
+
   def stamp_family_fields
     return unless changes_to_save.key?('family_id')
 
diff --git a/app/services/family_linkage_service.rb b/app/services/family_linkage_service.rb
index 1916664240..d0991d403a 100644
--- a/app/services/family_linkage_service.rb
+++ b/app/services/family_linkage_service.rb
@@ -1,9 +1,10 @@
 # frozen_string_literal: true
 
 # Generates a case from the family
+# rubocop:disable Metrics/ClassLength
 class FamilyLinkageService
   LOCAL_FAMILY_MEMBER_FIELDS = %w[
-    family_relationship family_relationship_notes family_relationship_notes_additional
+    family_relationship family_relation_is_caregiver family_relationship_notes family_relationship_notes_additional
   ].freeze
   LOCAL_FAMILY_DETAIL_FIELDS = %w[
     relation
@@ -18,6 +19,10 @@ class FamilyLinkageService
   ].freeze
   LOCAL_FAMILY_FIELDS = %w[family_notes_additional].freeze
   GLOBAL_FAMILY_FIELDS = %w[family_number family_size family_notes].freeze
+  FAMILY_DETAIL_MAPPING = [
+    { source: 'relation', target: 'family_relationship' },
+    { source: 'relation_is_caregiver', target: 'family_relation_is_caregiver' }
+  ].map(&:with_indifferent_access).freeze
   DEFAULT_MAPPING = [
     { source: 'relation_name', target: %w[name_first name_middle name_last] },
     { source: 'relation_nickname', target: 'name_nickname' },
@@ -46,9 +51,9 @@ def new_family_linked_child(user, source_case, family_detail_id)
     end
 
     def link_child_to_new_family(user, child)
-      family = Family.new_with_user(user, FamilyLinkageService.child_to_family(child))
+      family = Family.new_with_user(user, child_to_family(child))
       family.module_id = child.module_id
-      family.family_members = FamilyLinkageService.build_or_update_family_members(child.family_details_section, [])
+      family.family_members = build_or_update_family_members(child.family_details_section, [])
       family_member = child_to_family_member(child)
       family.family_members << family_member
 
@@ -132,7 +137,7 @@ def build_family_members(family_details_section, family_members)
       family_details_section.each_with_object([]) do |detail, memo|
         next unless family_member_ids.exclude?(detail['unique_id'])
 
-        memo << global_family_detail_data(detail)
+        memo << family_detail_to_family_member(detail)
       end
     end
 
@@ -145,8 +150,17 @@ def update_family_members(family_details_section, family_members)
       end
     end
 
+    def family_detail_to_family_member(family_detail)
+      FAMILY_DETAIL_MAPPING.each_with_object(global_family_detail_data(family_detail)) do |elem, memo|
+        next unless family_detail[elem['source']].present?
+
+        memo[elem['target']] = family_detail[elem['source']]
+      end
+    end
+
     def family_details_section_local_data(family_details_section)
       family_details_section.map { |family_detail| local_family_detail_data(family_detail) }
     end
   end
 end
+# rubocop:enable Metrics/ClassLength
diff --git a/spec/requests/api/v2/children_controller_spec.rb b/spec/requests/api/v2/children_controller_spec.rb
index 22df9466b7..2bf8a321d1 100644
--- a/spec/requests/api/v2/children_controller_spec.rb
+++ b/spec/requests/api/v2/children_controller_spec.rb
@@ -931,7 +931,13 @@
             data: {
               family_number: '002',
               family_details_section: [
-                { unique_id: member2_unique_id, relation_age: 2, relation: 'relation3', relation_name: 'Member 3' }
+                {
+                  unique_id: member2_unique_id,
+                  relation_age: 2,
+                  relation: 'relation3',
+                  relation_name: 'Member 3',
+                  relation_is_caregiver: true
+                }
               ]
             }
           }
@@ -955,7 +961,8 @@
                 'unique_id' => member2_unique_id,
                 'relation' => 'relation3',
                 'relation_name' => 'Member 3',
-                'relation_age' => 2
+                'relation_age' => 2,
+                'relation_is_caregiver' => true
               }
             ]
           )
@@ -964,7 +971,8 @@
             [
               {
                 'unique_id' => member2_unique_id,
-                'relation' => 'relation3'
+                'relation' => 'relation3',
+                'relation_is_caregiver' => true
               }
             ]
           )
@@ -988,7 +996,9 @@
               {
                 'unique_id' => member2_unique_id,
                 'relation_name' => 'Member 3',
-                'relation_age' => 2
+                'relation_age' => 2,
+                'family_relationship' => 'relation3',
+                'family_relation_is_caregiver' => true
               }
             ]
           )
diff --git a/spec/support/fake_devise_login.rb b/spec/support/fake_devise_login.rb
index 4ed54ad396..31eff2fd98 100644
--- a/spec/support/fake_devise_login.rb
+++ b/spec/support/fake_devise_login.rb
@@ -19,7 +19,8 @@ module FakeDeviseLogin
           Field.new(name: 'relation_name', type: Field::TEXT_FIELD),
           Field.new(name: 'relation', type: Field::SELECT_BOX),
           Field.new(name: 'relation_type', type: Field::SELECT_BOX),
-          Field.new(name: 'relation_age', type: Field::NUMERIC_FIELD)
+          Field.new(name: 'relation_age', type: Field::NUMERIC_FIELD),
+          Field.new(name: 'relation_is_caregiver', type: Field::TICK_BOX)
         ]
       )
     ),